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JL Audio Auto subwoofer 15W4

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15W4-D4

19.5 Hz

0.367

0.382

9.370

12.59 356.5

0.400 10.2

90.2 dB

131 0.0845

6.41 Ω (in series)

Dual 4 Ω

200 Watts

15W4-D2

19.2 Hz

0.370

0.387

8.738

12.03 340.7

0.400 10.2

89.7 dB

131.0 0.0845

3.32 Ω

Dual 2 Ω

200 Watts

Subwoofer Speciﬁ cations

Fs (free-air resonance):

Qts (total speaker “Q”):

Qes (electrical “Q”):

Qms (mechanical “Q”):

Vas (equivalent compliance):

Xmax (linear excursion one-way):

Efﬁ ciency (1W/1m)*:

Sd (effective piston surface area):

Re (DC resistance):

Znom (nominal impedance):

Pt (continuous thermal power handling):

Physical Dimensions

Frame Diameter (A):

Mounting Hole Diameter (B):

Mounting Depth (C):

Overall Depth (D):

Magnet Diameter (E):

Displacement:

Normal Recommended Enclosures (single driver)

Sealed Enclosure

•Enclosure dimensions listed are external dimensions which assume the use of 0.75 inch (19mm) thick material. If you are using

0.625 inch (16mm) thick material, subtract 0.25 inches (6.5mm) from each dimension. Do not use material with a thickness of

less than 0.625 inches (16mm).

•Enclosure volumes listed are NET internal volumes. Driver displacement, port displacement and brace displacement must be

added to obtain the ﬁ nal gross volume. The dimensions listed have already taken this into account.

•When using two subwoofers in a common enclosure simply double the required volumes and use two of the recommended ports

(when needed). Likewise, when using three subwoofers in a common enclosure simply triple the required volume and number

of ports (when needed).

*Efﬁ ciency (1W/1m) is not an accurate indicator of a subwoofer’s output capability and should not be used as a

comparison to other subwoofers to determine which one is “louder”!

Ported Enclosure

ft3liters

in. mm

in2m2

in. mm

ft3liters

ft3

in.

liters

in2m2

15.1875

13.75

7.625

5.6875

0.11

385.76

349.25

177.8

193.67

144.46

3.110

Port

(inside dia. X length)

Model

Sealed

Enclosure

Ported

Enclosure

22” x 16” x 15.25”

559mm x 406mm x 387mm

15W4-D2

24” x 19” x 18”

610mm x 483mm x 457mm

TWO 3” X 11.2”

2.25 ft3

TWO 76mm X 284mm

3.50 ft3

width X height X depthVolume (Net Int.)

63.7 l

99.1 l

22” x 16” x 15.25”

559mm x 406mm x 387mm

15W4-D4

24” x 19” x 19”

610mm x 483mm x 483mm

TWO 3” X 10.1”

2.25 ft3

TWO 76mm X 257mm

3.75 ft3

width X height X depthVolume (Net Int.)

63.7 l

106.2 l

Be sure to allow 0.75 inches (19mm) for pole vent clearance on this driver.

•Do NOT use different impedance speakers when using multiple subwoofers!

•JL Audio recommends using subwoofers as part of a bi-ampliﬁ ed system using high quality satellite speakers like our Evolution line

of coaxial and component speakers. We do not recommend the use of passive crossover components (coils) on subwoofers. These

components may adversely affect the performance of a subwoofer.

•When dealing with exceedingly long port lengths, we recommend the use of JL Audio’s Flex-Port System. The Flex-Port tubing is

ﬂ exible, allowing it to ﬁ t in otherwise tight locations. The Port mouths provide not only a convenient method of securing the port,

but a smooth, rounded edge for the port termination as well.

With coils wired in parallel, a dual 4Ω speaker will present a 2Ω load.

With coils wired in parallel, a dual 2Ω speaker will present a 1Ω load. With coils wired in series, a dual 4Ω speaker will present a 8Ω load.

With coils wired in series, a dual 2Ω speaker will present a 2Ω load.

With coils AND speakers wired in parallel:

2 dual 4Ω speakers (D4) will present a 1Ω load.

With coils AND speakers wired in parallel:

2 dual 2Ω speakers (D2) will present a 0.5Ω load.

With the coils wired in series and the speakers wired in parallel:

2 dual 4Ω speakers (D4) will present a 4Ω load.

With the coils wired in series and the speakers wired in parallel:

2 dual 2Ω speakers (D2) will present a 2Ω load.

Produktspecifikationer

Varumärke:	JL Audio
Kategori:	Auto subwoofer
Modell:	15W4
Färg på produkten:	Zwart
Snäll:	AV-zender
LED-indikatorer:	Ja
På / Av knapp:	Ja
Ethernet LAN:	Ja
Videolägen som stöds:	480p, 720i, 720p, 1080i, 1080p
Maximal upplösning:	1920 x 1200 Pixels
Antal USB-anslutningar:	16
USB-version:	1.1
Anslutning för nätadapter:	Ja
Grafikupplösningar som stöds:	1280 x 1024 (SXGA), 1920 x 1200 (WUXGA)
siffra:	1
Utström:	1 A
DVI-utgångar:	16
RJ-45 utgångsportar:	16
Mått (B x D x H):	431.8 x 89 x 177.8 mm
RJ-45 ingångsportar:	16
Driftspänning:	5 V
Maximal-räckvidd:	84 m
AC-ingångsspänning:	90 - 240 V
Kabeltyper som stöds:	Cat6